期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 66, 期 -, 页码 1660-1665出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.000926
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- Kasetsart University Research and Development Institute
- Higher Education Research Promotion and National Research University Project of Thailand, Office of the Higher Education Commission
- Faculty of Science, Kasetsart University
- Kitasato University
The taxonomic position of the halophilic actinobacterial strain, HS05-03(T), isolated from solar saltern soil, was determined using a polyphasic approach. Phylogenetic analysis based on the 16S rRNA gene sequence of the strain showed that it formed a distinct evolutionary lineage in the genus Actinopolyspora. The organism was most closely related to the type strains of the species Actinopolyspora xinjiangensis (98.0 % similarity), Actinopolyspora righensis (97.9 % similarity), Actinopolyspora lacussalsi (97.9 % similarity) and Actinopolyspora erythraea (97.8 % similarity). The whole-organism hydrolysates contained meso-diaminopimelic acid, arabinose, galactose and ribose. The predominant menaquinones were found to be MK-9(H-4) and MK-10(H-4). The acyl type of the peptidoglycan was N-acetyl. The diagnostic phospholipid detected was phosphatidylcholine. The predominant cellular fatty acids were iso-C-16 : 0, anteiso-C-17 : 0 and iso-C-15 : 0. The G+C content of the genomic DNA was 69.9 mol%. DNA-DNA hybridization values between strain HS05-03(T) and the type strains of the most closely related species were below the 70 % threshold. On the basis of the phenotypic and genotypic data, it is proposed that strain HS05-03(T) represents a novel species of the genus Actinopolyspora, with the name Actinopolyspora salinaria sp. nov. The type strain is HS05-03(T) (=BCC 51286(T) =NBRC 109078(T)).
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